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272090844 = 223231243809
BaseRepresentation
bin10000001101111…
…100011011011100
3200221222122110200
4100031330123130
51024123401334
642555503500
76512506524
oct2015743334
9627878420
10272090844
1112a651973
1277157b90
13444a86cc
14281ca684
1518d49799
hex1037c6dc

272090844 has 36 divisors (see below), whose sum is σ = 709974720. Its totient is φ = 87770880.

The previous prime is 272090843. The next prime is 272090867. The reversal of 272090844 is 448090272.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 272090799 and 272090808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272090843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120789 + ... + 123020.

It is an arithmetic number, because the mean of its divisors is an integer number (19721520).

Almost surely, 2272090844 is an apocalyptic number.

It is an amenable number.

272090844 is an abundant number, since it is smaller than the sum of its proper divisors (437883876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

272090844 is a wasteful number, since it uses less digits than its factorization.

272090844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243850 (or 243845 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 272090844 is about 16495.1763858408. The cubic root of 272090844 is about 647.9944844066.

The spelling of 272090844 in words is "two hundred seventy-two million, ninety thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 93 124 186 279 372 558 1116 243809 487618 731427 975236 1462854 2194281 2925708 4388562 7558079 8777124 15116158 22674237 30232316 45348474 68022711 90696948 136045422 272090844